ground-plane antenna

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ground-plane antenna [′grau̇nd ‚plān an′ten·ə]

(electromagnetism)

Vertical antenna combined with a grounded horizontal disk, turnstile element, or similar ground-plane simulation; such antennas may be mounted several wavelengths above the ground, and provide a low radiation angle.

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No references found			OTC/BB:PTSC) Wednesday announced that it has received patent protection for its penetrating microwave radar ground-plane antenna that was added to its radar technology. Patriot Scientific Receives Patent Protection For Antenna Technology by Business Wire			ground truth measurements ground visibility ground wall ground water Ground Water Protection Council ground wave ground ways ground wire ground zero ground-air ground-based navigation aid ground-check chamber Ground-Cherry ground-controlled approach ground-controlled approach minimums ground-controlled approach radar ground-controlled intercept radar ground-controlled interception ground-derived navigation data ground-effect machine Ground-Effect Machine, Marine ground-faced block ground-key faucet ground-key valve ground-penetrating radar ground-plane antenna ground-position indicator ground-probing radar ground-referenced navigation data ground-reflected wave ground-return circuit ground-state maser ground-to-cloud discharge ground-up read-only memory grounded grounded conductor grounded ice grounded system grounded work grounded-anode amplifier grounded-base amplifier grounded-base connection grounded-cathode amplifier grounded-collector connection grounded-emitter amplifier grounded-emitter connection grounded-gate amplifier grounded-grid amplifier grounded-grid-triode circuit grounded-grid-triode mixer grounded-plate amplifier			ground-hugging Ground-ivy ground-key faucet ground-key faucet ground-key valve ground-key valve Ground-Laser Attack Designator/Identification System Ground-Launched Ballistic Missile Ground-Launched Cruise Missile Ground-Layer Adaptive Optics Ground-layering Ground-layering ground-level ground-level Ground-Level Attack, Reconnaissance & Electronic Countermeasures ground-level climate ground-loop ground-loop ground-looped ground-looped ground-looping ground-looping ground-loops ground-loops Ground-nut Ground-nut Ground-nut Ground-Penetrating imaging Radar Ground-penetrating radar ground-plane aerial ground-plane antenna Ground-Plane-Backed Dielectric Resonator Antenna ground-position indicator ground-probing radar ground-referenced navigation data ground-reflected wave ground-return circuit Ground-roller Ground-roller Ground-roller Ground-rollers Ground-rollers Ground-rollers Ground-rule double ground-service crew ground-shaker Ground-Signal-Ground Ground-Signal-Ground-Signal-Ground Ground-State Combination Difference ground-state maser Ground-State Molecular Orbital Ground-State Natural Orbital Ground-Test Accelerator Ground-Thermosphere Waveguide Ground-to-air Ground-to-air Ground-to-air Ground-to-Air & Air-to-Ground Ground-to-Air Broadcast Network Ground-to-Air Missile Ground-to-Air Pilotless Aircraft

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